/Engine/Plugins/Online/OnlineSubsystemUtils/Source/OnlineSubsystemUtils/Public/OnlineBeacon.h
Allows for a specific response from the actor when the actor channel is opened (client side)
virtual void OnActorChannelOpen ( [FInBunch](API\Runtime\Engine\Net\FInBunch) & InBunch, [UNetConnection](API\Runtime\Engine\Engine\UNetConnection) * Connection )